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单词 acnestis
释义

acnestisn.

Brit. /akˈniːstɪs/, U.S. /ækˈnistəs/
Origin: A borrowing from Latin. Etymon: Latin acnestis.
Etymology: < post-classical Latin acnestis < Hellenistic Greek ἄκνηστις spine, backbone < ancient Greek κνῆστις spine, cheese-grater, in Hellenistic Greek also itching ( < -κναίειν to scrape, grate, scratch (only attested in compounds; ultimately < the same Indo-European base as Old High German nuoen to polish, Lithuanian knoti to peel off, flake away) + inserted -σ- + -τις, suffix forming feminine nouns), either by the addition of prothetic ἀ- or by false segmentation of κατὰ κνῆστιν ‘on the spine’ (Homer Odyssey 10. 161).
The part of the back (or backbone) between the shoulder blades and the loins which an animal cannot reach to scratch; the part of the human back between the shoulder blades.rare in genuine use.
ΘΚΠ
the world > animals > animal body > general parts > body and limbs > [noun] > back > part which animal can't reach
acnestis1743
1743 R. James Medicinal Dict. I Acnestis, that Part of the Spine of the Back, which reaches from..the Part betwixt the Shoulder-blades, to the Loins. This Part seems to have been originally called so in Quadrupeds only, because they cannot reach it to scratch.
1848 R. Dunglison Med. Lexicon (ed. 7) 19/2 Acnestis, the part of the spine which extends, in quadrupeds, from between the shoulders to the loins. According to Pollux, the middle of the loins.
1854 C. A. Harris Dict. Med. Terminol., Dental Surg., & Collateral Sci. (ed. 2) 25/1 Acnestis.., that part of the back between the shoulder blades.
1927 Observer 3 Apr. That spot known to crossword solvers as the acnestis.
2000 O. Braun-Falco et al. Dermatol. (ed. 2) xxv. 991/1 The middle of the back is typically spared [being scratched]... This pattern of sparing has been called the reverse butterfly sign; the Greek word for the area that cannot be reached is acnestis.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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